/*
 * Copyright 2020 Spotify AB.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package com.spotify.scio.coders.instances.kryo

import com.esotericsoftware.kryo.Kryo
import com.esotericsoftware.kryo.io.{Input, Output}
import com.twitter.chill.KSerializer
import io.grpc.Status

private[coders] class StatusSerializer extends KSerializer[Status] {
  override def write(kryo: Kryo, output: Output, status: Status): Unit = {
    output.writeInt(status.getCode.value())
    output.writeString(status.getDescription)
    kryo.writeClassAndObject(output, status.getCause)
  }

  override def read(kryo: Kryo, input: Input, `type`: Class[Status]): Status = {
    val code = input.readInt()
    val description = input.readString()
    val cause = kryo.readClassAndObject(input).asInstanceOf[Throwable]

    Status
      .fromCodeValue(code)
      .withDescription(description)
      .withCause(cause)
  }
}
